JPS5172188A - - Google Patents

Info

Publication number
JPS5172188A
JPS5172188A JP50135620A JP13562075A JPS5172188A JP S5172188 A JPS5172188 A JP S5172188A JP 50135620 A JP50135620 A JP 50135620A JP 13562075 A JP13562075 A JP 13562075A JP S5172188 A JPS5172188 A JP S5172188A
Authority
JP
Japan
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP50135620A
Other languages
Japanese (ja)
Inventor
Yakotsupu Barudaa Yan
Yoanesu Yoozefu Ban Henrikusu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of JPS5172188A publication Critical patent/JPS5172188A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/30—Vessels; Containers
    • H01J61/34—Double-wall vessels or containers
JP50135620A 1974-11-14 1975-11-11 Pending JPS5172188A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7414849.A NL166818C (en) 1974-11-14 1974-11-14 LOW PRESSURE SODIUM VAPOR DISCHARGE LAMP.

Publications (1)

Publication Number Publication Date
JPS5172188A true JPS5172188A (en) 1976-06-22

Family

ID=19822470

Family Applications (2)

Application Number Title Priority Date Filing Date
JP50135620A Pending JPS5172188A (en) 1974-11-14 1975-11-11
JP1980078105U Pending JPS55171963U (en) 1974-11-14 1980-06-06

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP1980078105U Pending JPS55171963U (en) 1974-11-14 1980-06-06

Country Status (8)

Country Link
US (1) US3995182A (en)
JP (2) JPS5172188A (en)
BE (1) BE835515A (en)
CA (1) CA1043410A (en)
DE (1) DE2550513C3 (en)
FR (1) FR2291606A1 (en)
GB (1) GB1507217A (en)
NL (1) NL166818C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0348856U (en) * 1989-09-19 1991-05-10

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL180464C (en) * 1976-10-29 1987-02-16 Philips Nv LOW PRESSURE SODIUM VAPOR DISCHARGE LAMP.
US4080545A (en) * 1976-12-27 1978-03-21 Xerox Corporation Sodium vapor lamp with emission aperture
US4678960A (en) * 1985-08-01 1987-07-07 General Electric Company Metallic halide electric discharge lamps

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB494192A (en) * 1937-07-13 1938-10-21 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Improvements in high pressure metal vapour electric discharge lamps
FR1199913A (en) * 1957-07-18 1959-12-17 Philips Nv Sodium vapor discharge tube in the shape of a u
US3225241A (en) * 1959-07-09 1965-12-21 Sylvania Electric Prod Aperture fluorescent lamp
US3162785A (en) * 1960-04-22 1964-12-22 Sylvania Electric Prod Projection lamp
US3174067A (en) * 1960-07-21 1965-03-16 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Construction for projection lamps eliminating undesired infrared radiation
US3179792A (en) * 1962-09-06 1965-04-20 Weiss Harry Fluorescent lamp
US3188513A (en) * 1963-04-10 1965-06-08 Gen Electric Optical filters and lamps embodying the same
DE1260627B (en) * 1965-11-13 1968-02-08 Philips Nv Sodium Discharge Lamp
US3767956A (en) * 1969-12-24 1973-10-23 Xerox Corp Aperture fluorescent lamp for copying machines

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0348856U (en) * 1989-09-19 1991-05-10

Also Published As

Publication number Publication date
FR2291606B1 (en) 1979-07-06
GB1507217A (en) 1978-04-12
BE835515A (en) 1976-05-12
NL166818C (en) 1981-09-15
US3995182A (en) 1976-11-30
JPS55171963U (en) 1980-12-10
DE2550513A1 (en) 1976-05-26
NL166818B (en) 1981-04-15
CA1043410A (en) 1978-11-28
DE2550513C3 (en) 1980-01-17
NL7414849A (en) 1976-05-18
DE2550513B2 (en) 1979-05-10
FR2291606A1 (en) 1976-06-11

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